5.　　 Some people consider Li Yang’s “C_______ English” is useful for practicing speaking English.

4.　　 The teacher g______(轻轻地) p_____ him on the shoulder to comfort him.

3.　　 The workers are t____down the old houses so that a new school will be built here.

2.　　 I worked a long time and at last I m_______ to work out the maths problem.

1.　　 It is u______ that women can’t get the same pay as me when they do a same job.

20.　 Mr Zhang, a c________ Ms Zhao is wanting you on the phone.

Unit 21

19.　 Mr Green, how can I speak f_______(流利) English？

18.　 Richard is American, John is British - they have different n_______(国籍).

17.　 I tried to work out the problem, but I was c______ by all the noise.

16.　 I had thought she was a modern girl but she followed family t______ in dress and manners.